Shop › Astro Theater Coaster Image 1 of 1 Astro Theater Coaster $6.00 Pricie is per coaster.Each coaster is polyester with an open cell black rubber backing. The coaster is 4" Diameter x .22". Add To Cart Added! Pricie is per coaster.Each coaster is polyester with an open cell black rubber backing. The coaster is 4" Diameter x .22". You Might Also Like Rosenblatt Stadium Coaster $6.00 Smoke Pit Coaster $6.00 Pitch Coaster $6.00 Crumbl Cookies Coaster $6.00 The Marylebone Coaster $6.00